Chison Q9 - Page 93

Q9 Digital Color Doppler Ultrasound System
87
<<Item to be measured>>
Meas. item
name
Description
Mea
s. method
RVIDd
Right ventricular short
-
axis diameter at end diastole
Refer to "Distance
Measurement
(Distance)".
IVSTd
lnterventricular septal thickness at end diastole
Refer to "Distance
Measurement
(Distance)".
LVIDd
Light ventricular short
-
axis di
ameter at end diastole
Refer to "Distance
Measurement
(Distance)"
LVPWd
Left ventricular posterior wall thickness at end diastole
Refer to "Distance
Measurement
(Distance)".
RVIDs
Right ventricular short
-
axis diameter at end diastole
Refer to "Distan
ce
Measurement
(Distance)".
IVSTs
lnterventricular septal thickness at end diastole
Refer to "Distance
Measurement
(Distance)"
LVIDs
Light ventricular short
-
axis diameter at end diastole
Refer to "Distance
Measurement
(Distance)".
LVPWs
Left ventricul
ar posterior wall thickness at end diastole
Refer to "Distance
Measurement
(Distance)".
<<Item to be calculated>>
Calc. item
name
Description [Unit]
Calc. formula
EDV
End
-
diastolic left ventricular volume
[mL]
EDV= LVIDd* LVIDd* LVIDd
ESV
En
d
-
systolic left ventricular volume
[mL]
ESV= LVIDs* LVIDs* LVIDs
SV
Stroke volume [mL]
SV=EDV
–
ESV
CO
Cardiac output [L/min]
CO=SV * HR /1000
EF
Ejection fraction [no unit]
EF=SV/EDV